pliancy US/ˈplaɪənsi/ uncommon noun 1. the property of being pliant Synonymspliantnesssuppleness 2. the quality of being easily adaptable Synonymspliabilitypliantness Related words Broader terms adaptabilitybendability WordNet 2.1 (Princeton University). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.